Qiang Wang defeated Akiko Yonemura 7-6 6-2 in the Noto 25K round of 16 on carpet. The upset overturned the form book — Akiko Yonemura came in leading the head-to-head 2–1. Qiang Wang narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-29 | Tsukuba 25K | R16 | hard | Qiang Wang | 6-4 6-4 |
| 2010-05-24 | Kusatsu 25K | R32 | carpet | Akiko Yonemura | 6-4 6-1 |
| 2009-05-04 | Fukuoka 50K | R32 | grass | Akiko Yonemura | 7-6(2) 4-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.